Both the Atlas and Supplement have been reprinted, and are offered together in a portfolio jacket (12"x16"). The Atlas contains reproductions of 54 maps and sketches made by early explorers of Illinois and provides important historical information. The Supplement adds important early maps which had been missed in the earlier research.

This report presents the results of excavations of an Archaic campsite in southern Illinois. This was a seasonal camping place of many Archaic peoples and was especially tantalizing to archaeologists because of the unusually large number of artifacts found here. The report is illustrated with excellent photographs and line drawings.

In this ethnological treatise, former Museum Director Thorne Deuel analyzes 35 traditional cultures from around the world focusing on the universal factors that govern cultural behavior. When it was written, the study professed to deduce the universal cultural pattern of those societies in equilibrium and to delineate the underlying basic human needs.

The Weaver archaeological site in Fulton County has had a long history of occupation and excavation. This is a discussion of two early components of the site.

Psaronius, a tree fern, was the dominant plant in Late Pennsylvanian coal swamps, comprising as much as 85 to 90 percent of some coals. The first comprehensive review of Psaronius taxonomy is given based upon examination of 136 silicified specimens including several type specimens. Using photographs and drawings, the internal structure and ontogenetic development of various species are illustrated.

This report presents the results of excavations of a Hopewellian mound and village site in southern Illinois.

As a followup to his 1971 work on the characteristics of independent cultures in equilibrium, The Human Factor in the Behavior of Peoples, Thorne Deuel presents his views in this later study of the role of energy-related technologies and their impact on the evolution of cultural complexity.